Fixing broken external URLs

links.htm

@@ -48,7 +48,7 @@ local group is <a href="http://members.ping.at/bucherl/">Verein
 f&uuml;r H&ouml;hlenkunde Hallstatt - Obertraun</a>.</li>
 <li>A group based around the "other CUCC", <a
 href="http://www.cf.ac.uk/suon/au/caving">Cardiff University Caving Club</a>,
-have been <a href="http://www.dachsteincaving.org.uk/">exploring in the
+have been <a href="https://www.facebook.com/groups/dachsteincaving/">exploring in the
 Dachstein</a> since the 1970's.</li>
 <li><a href="http://www.ulsa.uklinux.net/">University of Leeds Speleological
 Association</a> worked in the Tauplitz area in the mid-eighties.  <i>Note: All

years/2004/goals.html

@@ -26,8 +26,8 @@ href="../../1623/41/41.htm">Stellerwegh&ouml;hle</a> and the stunningly
 beautiful <a href="../../1623/40/cucc.htm">Schwarzmooskogel
 Eish&ouml;hle</a>. Altogether the system is 55.1 kilometres long and 1030m
 deep, putting it among both the world's <a
-href="http://www.pipeline.com/%7Ecaverbob/wlong.htm">longest</a> and <a
-href="http://www.pipeline.com/%7Ecaverbob/wdeep.htm">deepest</a> caves; over
+href="http://www.caverbob.com/wlong.htm">longest</a> and <a
+href="http://www.caverbob.com/wdeep.htm">deepest</a> caves; over
 half of the length, and the highest and deepest points, were explored by
 CUCC.</p>
 

years/2007/sponsors.html

@@ -18,7 +18,7 @@ We'd like to thank the following companies for their generous support of the 200
 	  src="whitworthsLogo.jpg" alt="Whitworths" width="160"
 	  height="72" border="0"></a></td>
 	  <td width="10%" height="100" align="center"><a
-	    href="http://www.silvacompass.com/"><img
+	    href="https://silva.se/products/compasses/"><img
 	    src="SilvaLogo.jpg" alt="Silva"
 	    width="317" height="100" border="0"></a></td>
 	    <td width="10%" align="center"><a